GU_OceanEvaluator.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * NAME:        GU_OceanEvaluator.h ( GU Library, C++)
 *
 * COMMENTS:  Functions for evaluating ocean spectra.
 */

#ifndef __UT_OCEANEVALUATOR_H
#define __UT_OCEANEVALUATOR_H

#include "GU_API.h"
#include <UT/UT_Matrix4.h>
#include <UT/UT_Vector3.h>
#include <UT/UT_VoxelArray.h>
#include <UT/UT_ThreadedAlgorithm.h>

class GU_API GU_OceanEvaluator
{
public:

    GU_OceanEvaluator() {}

    virtual ~GU_OceanEvaluator();

    bool build(const UT_VoxelArrayF &phase,
               const UT_VoxelArrayF &freq,
               const UT_VoxelArrayF &amp,
               const UT_Matrix4F &xform,
               float hscale, float time,
               int mode, int downsample);

    UT_Vector3 getValue(int x, int y, int z) const;

    UT_Vector3 getValue(const UT_Vector3 &pos) const;

private:
    THREADED_METHOD9(GU_OceanEvaluator, phase.numTiles() > 16,
                     computeCoefficients,
                     const UT_VoxelArrayF &, phase,
                     const UT_VoxelArrayF &, freq,
                     const UT_VoxelArrayF &, amp,
                     float, gridsize, float, chop, float, time,
                     UT_VoxelArrayF &, Ximag,
                     UT_VoxelArrayF &, Yimag,
                     UT_VoxelArrayF &, Zimag);
    void computeCoefficientsPartial(const UT_VoxelArrayF &phase,
                             const UT_VoxelArrayF &freq,
                             const UT_VoxelArrayF &amp,
                             float gridsize, float chop, float time,
                             UT_VoxelArrayF &Ximag,
                             UT_VoxelArrayF &Yimag,
                             UT_VoxelArrayF &Zimag,
                             const UT_JobInfo &info);

    UT_VoxelArrayF      myX, myY, myZ;
    UT_Matrix4F         myInvXform;
    int                 myMode;
};

#endif